Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D314383 | Remote-control transmitter | — | 1991-02-05 |
| D314384 | Remote control transmitter | — | 1991-02-05 |
| 4287394 | Keyboard switch assembly with printed circuit board | Tibor Hargita, Ingo Berlitz | 1981-09-01 |